Answer:
machine guns,accidents,disease and famine,disease.
Explanation:
The manorial system is the economic, political and social system in which peasants in the Middle Ages economy depended on both their land and that of their masters to derive a living.
1750-1914 - Imperialism in Africa. As the world approached the 20th century, several powers grew desperate for more land and more control. In the 1870s, the Belgian King Leopold<span> sent emissaries to establish trade with native Africans in the Congo</span>